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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 77 motors that fit and appear to have enough thrust (678 motors didn't fit, 36 motors failed safety checks). 111 motor had thrust curves available and 220 flight simulations were performed. Browse the motors that did and didn't work right here or download the results as a spreadsheet.

The Rocket

Rocket Name:   SPONGEBOB ARCAS PANTS AT HV ARCAS
Owner: Jim Fields
Body Diameter: 2.60in
Dry Weight: 35.0oz
MMT Diameter: 29.0mm
MMT Length: 24.00in
CD: 0.30

Motors That Work

These motors fit your rocket and appear to have enough thrust to lift it safely. If thrust curves are available, a quick simulation has been run to give a rough idea of the performance of your rocket on this motor. We encourage you to run a more complete simulation with any motor you plan to use; see the simulators page for more info.

  Motor Weight Launch Velocity Accel Altitude Time Delay
OK Cesaroni F120 38.7oz 65ft/s 153ft/s 12.5G 373ft 5.0s 5s
OK AeroTech F52 39.3oz 49ft/s 171ft/s 6.2G 560ft 6.4s 5s
warningsW Estes F50 37.9oz 48ft/s 190ft/s 6.5G 663ft 6.9s 5s
OK Cesaroni G88 40.4oz 52ft/s 213ft/s 9.4G 734ft 7.1s 6s
OK AeroTech G104 39.8oz 61ft/s 220ft/s 10.0G 775ft 7.2s 6s
OK AeroTech G74 38.1oz 52ft/s 224ft/s 7.7G 809ft 7.5s 6s
OK AeroTech G53 40.1oz 49ft/s 209ft/s 6.7G 830ft 7.7s 6s
OK Cesaroni G80 40.1oz 49ft/s 238ft/s 7.8G 901ft 7.9s 7s
OK AeroTech G77 39.3oz 49ft/s 262ft/s 8.2G 1,065ft 8.5s 7s
OK Cesaroni G57 40.1oz 49ft/s 249ft/s 6.9G 1,104ft 8.8s 7s
OK AeroTech G79 40.5oz 51ft/s 263ft/s 8.0G 1,105ft 8.7s 7s
OK Cesaroni G83 40.1oz 55ft/s 266ft/s 8.0G 1,116ft 8.7s 7s
OK Cesaroni G250 40.0oz 90ft/s 307ft/s 25.3G 1,245ft 8.7s 8s
OK AeroTech G76 40.2oz 67ft/s 272ft/s 12.5G 1,265ft 9.1s 7s
OK AeroTech G64 40.3oz 57ft/s 270ft/s 8.7G 1,297ft 9.3s 7s
OK Cesaroni G126 40.1oz 68ft/s 305ft/s 13.2G 1,317ft 9.1s 8s
OK AeroTech G75 39.6oz 52ft/s 292ft/s 8.1G 1,366ft 9.5s 8s
OK Cesaroni G131 42.1oz 63ft/s 318ft/s 12.6G 1,414ft 9.5s 8s
OK AeroTech G78 39.4oz 53ft/s 305ft/s 8.4G 1,430ft 9.7s 8s
OK AeroTech G125 39.4oz 66ft/s 338ft/s 13.4G 1,532ft 9.8s 9s
OK AeroTech G80 39.5oz 56ft/s 320ft/s 8.5G 1,560ft 10.1s 8s
OK Cesaroni G106 41.6oz 55ft/s 344ft/s 10.3G 1,639ft 10.3s 9s
OK KBA G135 43.0oz 58ft/s 360ft/s 12.6G 1,714ft 10.4s 9s
OK Cesaroni G54 41.8oz 57ft/s 330ft/s 9.4G 1,996ft 11.6s 9s
OK Cesaroni G118 41.6oz 61ft/s 398ft/s 12.5G 2,063ft 11.3s 10s
OK Cesaroni G125 41.9oz 66ft/s 400ft/s 12.9G 2,064ft 11.2s 10s
OK RATT H70 47.4oz 58ft/s 350ft/s 9.3G 2,068ft 11.7s 9s
OK AeroTech H165 42.1oz 71ft/s 413ft/s 15.6G 2,100ft 11.2s 10s
OK Cesaroni H54 42.4oz 52ft/s 343ft/s 7.6G 2,103ft 12.0s 9s
OK Cesaroni H175 43.7oz 72ft/s 420ft/s 19.3G 2,136ft 11.3s 10s
OK Cesaroni H133 41.7oz 69ft/s 411ft/s 15.5G 2,148ft 11.4s 10s
OK Cesaroni H87 42.2oz 55ft/s 397ft/s 9.9G 2,183ft 11.8s 10s
OK Cesaroni H90 40.7oz 61ft/s 402ft/s 12.7G 2,201ft 11.7s 10s
OK Cesaroni H163 41.6oz 75ft/s 432ft/s 17.8G 2,242ft 11.6s 11s
OK AeroTech H128 42.3oz 72ft/s 431ft/s 14.7G 2,291ft 11.7s 10s
OK Cesaroni H410 41.4oz 120ft/s 462ft/s 45.1G 2,294ft 11.4s 11s
OK Cesaroni H123 43.0oz 60ft/s 428ft/s 11.2G 2,314ft 11.9s 10s
OK AeroTech G138 40.2oz 62ft/s 447ft/s 16.4G 2,317ft 11.7s 11s
OK AeroTech H238 41.9oz 83ft/s 450ft/s 19.8G 2,359ft 11.7s 11s
OK AeroTech H115 42.2oz 58ft/s 437ft/s 9.8G 2,402ft 12.1s 10s
OK AeroTech H97 44.8oz 53ft/s 425ft/s 8.0G 2,413ft 12.4s 10s
OK Cesaroni H118 43.2oz 65ft/s 447ft/s 13.1G 2,523ft 12.3s 11s
OK KBA H130 60.0oz 61ft/s 417ft/s 12.2G 2,537ft 12.7s 11s
OK Cesaroni H237 45.4oz 86ft/s 516ft/s 23.7G 2,820ft 12.7s 12s
OK AeroTech H220 43.8oz 89ft/s 520ft/s 24.2G 2,876ft 12.7s 12s
OK Cesaroni H151 43.4oz 76ft/s 506ft/s 15.9G 2,904ft 12.9s 12s
OK AeroTech H210 43.7oz 83ft/s 530ft/s 20.9G 2,950ft 12.9s 12s
OK Cesaroni H135 43.9oz 69ft/s 519ft/s 12.6G 3,056ft 13.4s 12s
OK Cesaroni H160 44.6oz 71ft/s 532ft/s 14.1G 3,074ft 13.3s 12s
OK Cesaroni H170 43.2oz 80ft/s 534ft/s 18.8G 3,099ft 13.2s 12s
OK AeroTech H182 42.3oz 73ft/s 559ft/s 16.0G 3,168ft 13.4s 12s
OK AeroTech H180 43.9oz 82ft/s 559ft/s 20.2G 3,245ft 13.5s 12s
OK AeroTech H250 44.0oz 101ft/s 584ft/s 25.5G 3,325ft 13.5s 13s
OK AeroTech H135 42.5oz 64ft/s 538ft/s 12.1G 3,336ft 13.9s 12s
OK KBA H225 46.1oz 72ft/s 587ft/s 21.0G 3,405ft 13.8s 13s
OK Cesaroni H295 47.1oz 93ft/s 615ft/s 29.1G 3,536ft 13.9s 13s
OK AeroTech H195 41.9oz 89ft/s 615ft/s 20.8G 3,558ft 13.9s 13s
OK Cesaroni H180 46.1oz 81ft/s 599ft/s 20.1G 3,649ft 14.2s 13s
OK Cesaroni H194 45.0oz 85ft/s 615ft/s 21.6G 3,700ft 14.2s 13s
OK Cesaroni H200 44.7oz 83ft/s 626ft/s 22.4G 3,796ft 14.4s 13s
OK Cesaroni H140 44.8oz 80ft/s 606ft/s 18.7G 3,903ft 14.7s 13s
OK Cesaroni H340 48.8oz 108ft/s 680ft/s 31.8G 4,006ft 14.5s 14s
OK Cesaroni H255 43.2oz 97ft/s 687ft/s 30.3G 4,073ft 14.6s 13s
OK Cesaroni H399 45.4oz 120ft/s 711ft/s 42.3G 4,128ft 14.6s 14s
OK Cesaroni H159 47.1oz 69ft/s 671ft/s 13.4G 4,298ft 15.4s 14s
OK Cesaroni H226 47.7oz 90ft/s 691ft/s 25.4G 4,343ft 15.1s 14s
OK AeroTech H268 47.6oz 97ft/s 718ft/s 24.2G 4,416ft 15.2s 14s
OK Cesaroni H233 46.6oz 90ft/s 723ft/s 25.3G 4,517ft 15.4s 14s
OK Cesaroni H160 46.3oz 88ft/s 678ft/s 23.6G 4,536ft 15.5s 13s
OK Cesaroni H255 46.2oz 102ft/s 748ft/s 31.2G 4,621ft 15.5s 14s
OK AeroTech I200 47.6oz 86ft/s 717ft/s 21.9G 4,660ft 15.6s 14s
OK Cesaroni I204 47.3oz 90ft/s 769ft/s 26.2G 5,008ft 16.0s 14s
OK AeroTech I205 46.1oz 86ft/s 786ft/s 27.4G 5,062ft 16.1s 14s
OK Cesaroni I243 49.1oz 97ft/s 833ft/s 31.0G 5,442ft 16.5s 15s
OK Cesaroni I224 48.1oz 99ft/s 822ft/s 31.5G 5,446ft 16.5s 15s
OK KBA J520 60.5oz 115ft/s 1,229ft/s 41.4G 8,091ft 19.2s 18s
warningsW,D Estes G80 39.4oz 7:1 thrust/weight ratio (no data)

W Motor total weight unknown, lift-off Weight not accurate.

D No simulation data found for this motor.

Don't like the units? Login to set your preferences. Don't understand the results? See the motor guide help page.

Motors That Fail

These motors fit your rocket, but failed one safety check or another. They may actually work, but you should use them only with caution. We encourage you to run a more complete simulation to verify flight safety; see the simulators page for more info.

  Motor Reason
failedG Estes E16 speed at end of launch guide too slow (20ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (30ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (24ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (33ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (31ft/s)
failedG Estes F15 speed at end of launch guide too slow (17ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (34ft/s)
failedG AeroTech F62 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (33ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (29ft/s)
failedG AeroTech F42 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni F59 speed at end of launch guide too slow (45ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (3:1)
failedG AeroTech F26 speed at end of launch guide too slow (30ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (26ft/s)
failedG Apogee F10 speed at end of launch guide too slow (21ft/s)
failedG AeroTech F50 speed at end of launch guide too slow (47ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (39ft/s)
failedG AeroTech F40 speed at end of launch guide too slow (43ft/s)
failedG AeroTech G54 speed at end of launch guide too slow (47ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (36ft/s)
failedG Estes G40 speed at end of launch guide too slow (45ft/s)
failedG AeroTech G77 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni G68 speed at end of launch guide too slow (46ft/s)
failedG AeroTech G79 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G40 speed at end of launch guide too slow (45ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (31ft/s)
failedG AeroTech G75 speed at end of launch guide too slow (45ft/s)
failedG KBA G82 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni H53 speed at end of launch guide too slow (45ft/s)

G These simulations were run with a launch guide length of 6ft (rod, rail or tower). If this is not correct, launch guide lengths can be specified for your saved rockets. (The minimum velocity required is approximately 15m/s or 50ft/s.)

5 The 5:1 thrust-to-weight ratio check is a useful rule of thumb, but it does break down for motors with unusual thrust curves. For example, motors with a high initial thrust and a long tail-off may fail this test but still be safe for use.

Download the Results

The data is presented in a compact form in the tables above, broken down by motors that worked and those that did not. If you would like to analyze the data further, this section provides download links for files in a generic spreadsheet format (comma-separated value, or CSV) that can be opened with almost any spreadsheet program.

CSV Excel   Download full details of the simulation runs with the various motors:
that worked, that failed, or all of them.
 
RockSim   Download the list of motors that fit your rocket into a batch for use with SMARTSim. (See the Simulators page for more info.)

You should download these files to your machine and then open them. Normally, clicking the link will prompt you to do this. However, if your browser insists on opening the file as plain text, you can right-click (control-click on the Mac) on the link and chose Save File As (or similar).

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